Assign this text to deeply engage your students!

Actively Learn provides free ELA, science, and social studies digital content—short stories, primary sources, textbook sections, science articles, novels, videos, and more—and embeds them with standards-aligned assignments to assign immediately or customize for your students.

Whether you’re looking for “The Tell-Tale Heart,” The Hate U Give, “The Gettysburg Address,” or current science articles and simulations, Actively Learn is the free go-to source to help you guide your students' growth in critical thinking all year.

Teaching Symbiosis

Symbiosis

Symbiosis describes a close and long-term relationship between different species. At least one species will benefit in a symbiotic relationship. There are three types of symbiotic relationships: mutualism, communalism, and parasitism.

CK-12 (Middle School)

ESSENTIAL QUESTION:

What kind of relationships do some organisms form with one another?
STANDARDS:
RST.1 - Analysis & Evidence, RST.2 - Main Ideas, RST.4 - Key Terms

DEPTH OF KNOWLEDGE (DOK) LEVELS:

2
Assign this text to your students for free!